//
// This file is part of cpp-lib, a library of C++ functions and classes.
// Cpp-lib is copyright (C) 2004 and onwards, The CPL Interest Group.
// 
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or (at
// your option) any later version.
// 
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
// General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with this library (see the file COPYING); if not, write to the
// Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
// 02111-1307  USA
//
// $Id$
//

//
// DO NOT DIRECTLY INCLUDE FROM APPLICATION CODE.
//

#include "cpp-lib/windows/wrappers.h"


namespace cpl {

namespace util {

//
// Schedule periodic events with fixed time delta.  Bound to some
// Windows realtime clock.
//

struct realtime_scheduler {

  // Construct with given time delta dt [s].
  realtime_scheduler( double const& dt ) ;

  // Wait (sleep) until next slice and return current time [s].  
  double wait_next() ;

  // Get current time [s].
  double time() { return cpl::detail_::windows_time() ; }

private:

  cpl::detail_::auto_handle timer ;

} ;


} // namespace util

} // namespace cpl
